THE ACCORDION & OBERKRAINER APP FOR FOLK MUSIC, ACCORDION AND BUTTON-BOX PLAYERS. HDS iSound is a hiqhquality virtual soundmodule for your iPad. Play your iPad with external MIDI instruments, accordion-MIDI, soundenlargement for your stage-setup or as stand-alone for training and learning at home. Using the sample-library of HDS Pro.Sound1 and HDS Sound.Power offers HDS iSound a very realistic and authentic sound reproduction. By real-time streaming the audio samples can be played in very high polyphony and low latency of only 5ms. SOUND-FEATURES OF THE STANDARD-APP : - Accordion folkmusic - Styrian button-Box (diatonic) - Oberkrainer-Guitar / GitChordSamples for accompainment with Major / Minor / Sept. / Deminished-chords* - Baritone short/long** - Baritone - Gaudi-Sample SET more available sound variations and sound packs as In-App purchases : Accordion-Pack*, Styrian-ButtonBox-Pack*, GitChord-Pack*, Baritone2, Bass-Pack, Trumpet/Clarinet-Pack, Stubnmusi-Pack, DrumSet-Pack NOTE : *for using GitChordSamples, GitChordPack, Accordion- and StyrianPack with MIDI-accordion (bass-side), make sure that your MIDI-system includes the SampleChannel-Option. **switch with SoftPedal – Midicontroller CC 67 MIDI PLAYER / -RECORDER : - record with the built-in MIDI Recorder and save and upload your songs in Standard MIDI file format - unlimited number of tracks - 16 separate MIDI channels, assignable individually for each track - unlimited recording and playback time - load SMF MIDI files to your device using the iTunes software - use Midi Files in the app and you will see on the virtual keyboard which notes are played - use the unique "Tempo-Zoom" slider to, i.e. for slowing down songs in order to learn them easier - Song-Export to MIDI - WAV - M4A(AAC) TECHN. FEATURES : - Polyphony depending on used iPad-model up to 120 stereo voices - configurable audio latency down to 5ms - built-in DSP effects with 17 presets - RunApp in background, so you can play and at the same time, for example, with another app, show sheets or lyrics or play back MP3s - supports Apple 's "inter - app audio " system (iOS7) for audio & MIDI streaming to / from other apps - supports " JACK Audio Connection Kit " (up to iOS 6.1.3) for audio & MIDI streaming to / from other apps. - supports Audio Unit (iOS 9.3) NOTE : For good performance we recommend iPad4 and later. Please note that this app requires a lot of hardware resources. If you encounter problems with the app, please close all running applications in the background by pressing twice on the "Home" button and in the list of displayed apps hold onto a tap and - then press the "minus sign" in the corner, to close this application. Then close all other apps. For more information on compatible MIDI adapter, please visit the website www.hdsmusic.de or ask your music retailer.